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I) CuSO4 + 5H2O → CuSO4 . 5H2O
II) PCl3 + 3H2O → H3PO3 + 3HCl.
The processes I and II are respectively

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By Expert Faculty of Sri Chaitanya
a
Hydration and dehydration
b
Hydration and Hydrolysis
c
Hydrolysis and Hydrolysis
d
Hydration and hydration.

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detailed solution

Correct option is B

Hydrolysis : The addition of watermolecules to the compound in the form H+ & OH- ions is acalled Hydrolysis.(or)PCl3 + 3H2O → H3PO3 + 3HClHydration : The addition of watermolecules to the salt without cleavage is said to be hydration.CuSO4 + 5H2O → CuSO4.5H2OTherefore, PCl3 undergoes hydrolysis, Whereas CuSO4 involves in hydration process.


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